PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2AL738Valve,expansion

Oshkosh Defense Llc · NSN 4820-01-153-9447 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-153-9447 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-153-9447. Primary manufacturer part number: 2AL738.
Features
  • Valve,expansion — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,expansion, cataloged under National Stock Number 4820-01-153-9447, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oshkosh Defense Llc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,expansion
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAustin-Westran Llc (CAGE 24234); Bergstrom Inc (CAGE 99688); Oshkosh Corp (CAGE 45152); Oshkosh Defense Llc (CAGE 75Q65)
Technical Specifications
ParameterValue
NSN4820-01-153-9447
Primary Part Number2AL738
Item NameValve,expansion
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1660-00-083-3678540035 INTERCHANGEABLE
Adapter,dump
Hamilton Sundstrand Corporation Dba Collins Aerospace
5935-00-677-9221540035 INTERCHANGEABLE
Jack,telephone
Raytheon Company Dba Raytheon
2945-00-915-9571540035 INTERCHANGEABLE
Sleeve Assy
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6210-01-026-9673559-0102-001 INTERCHANGEABLE
Light,indicator
Dialight Corporation
6515-01-164-316040-4098 INTERCHANGEABLE
Rongeur
Sklar Corporation Dba Sklar Instruments
Cross-Reference Index
Part NumberManufacturer
404098 Austin-Westran Llc (USA)
404255 Austin-Westran Llc (USA)
540035 Bergstrom Inc (USA)
2AL738 Oshkosh Corp (USA)
2AL738 PRIMARY Oshkosh Defense Llc (USA)
Related Parts
1660-00-083-3678INTERCHANGEABLE
ADAPTER,DUMP
540035
5935-00-677-9221INTERCHANGEABLE
JACK,TELEPHONE
540035
2945-00-915-9571INTERCHANGEABLE
SLEEVE ASSY
540035
6210-01-026-9673INTERCHANGEABLE
LIGHT,INDICATOR
559-0102-001
6515-01-164-3160INTERCHANGEABLE
RONGEUR
40-4098

Frequently Asked Questions

What is NSN 4820-01-153-9447?

NSN 4820-01-153-9447 is a Valve,expansion, manufactured by Oshkosh Defense Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-153-9447?

NSN 4820-01-153-9447 has 5 cross-referenced part numbers: 404098 (Austin-Westran Llc), 404255 (Austin-Westran Llc), 540035 (Bergstrom Inc), 2AL738 (Oshkosh Corp), 2AL738 (Oshkosh Defense Llc).

What NSN replaces 4820-01-153-9447?

There are 5 known substitutes for 4820-01-153-9447: 1660-00-083-3678, 5935-00-677-9221, 2945-00-915-9571 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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